[  518.609778] bond0: (slave veth0): Enslaving as a backup interface with a down link
[  518.622323] bond0: (slave veth1): Enslaving as a backup interface with a down link
[  518.633784] br0: port 1(veth0) entered blocking state
[  518.633867] br0: port 1(veth0) entered disabled state
[  518.633936] veth0: entered allmulticast mode
[  518.634048] veth0: entered promiscuous mode
[  518.645631] br0: port 2(veth1) entered blocking state
[  518.645717] br0: port 2(veth1) entered disabled state
[  518.645777] veth1: entered allmulticast mode
[  518.645872] veth1: entered promiscuous mode
[  518.829035] br0: port 1(veth0) entered blocking state
[  518.829144] br0: port 1(veth0) entered forwarding state
[  518.829235] br0: port 2(veth1) entered blocking state
[  518.829298] br0: port 2(veth1) entered forwarding state
[  520.637121] bond0: (slave veth1): link status definitely up
[  520.637241] bond0: (slave veth1): making interface the new active one
[  520.637342] bond0: active interface up!
[  520.732758] veth1: left allmulticast mode
[  520.732808] veth1: left promiscuous mode
[  520.732880] br0: port 2(veth1) entered disabled state
[  520.733048] veth0: left allmulticast mode
[  520.733084] veth0: left promiscuous mode
[  520.733142] br0: port 1(veth0) entered disabled state
[  520.752386] bond0: (slave veth1): Releasing backup interface
[  520.761322] bond0: (slave veth0): Releasing backup interface